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| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2016-04-29 14:22:25 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2016-04-29 14:22:25 +0200 |
| commit | 81be193b7e2089dc34a4e3939f1b057f53995f56 (patch) | |
| tree | 7a185880d04a9865cfcff28fc569f9b0444ecb85 | |
| parent | 02da2d72174c61988eb4456b53f405e3ebdebce4 (diff) | |
| parent | 1becf03545a0859ceaaf9e8c2d9861882a71cb01 (diff) | |
| download | linux-stable-81be193b7e2089dc34a4e3939f1b057f53995f56.tar.gz linux-stable-81be193b7e2089dc34a4e3939f1b057f53995f56.tar.bz2 linux-stable-81be193b7e2089dc34a4e3939f1b057f53995f56.zip | |
Merge branch 'pm-cpufreq-fixes'
* pm-cpufreq-fixes:
cpufreq: intel_pstate: Fix processing for turbo activation ratio
Revert "cpufreq: governor: Fix negative idle_time when configured with CONFIG_HZ_PERIODIC"
| -rw-r--r-- | drivers/cpufreq/cpufreq_governor.c | 8 | ||||
| -rw-r--r-- | drivers/cpufreq/intel_pstate.c | 5 |
2 files changed, 7 insertions, 6 deletions
diff --git a/drivers/cpufreq/cpufreq_governor.c b/drivers/cpufreq/cpufreq_governor.c index 10a5cfeae8c5..5f1147fa9239 100644 --- a/drivers/cpufreq/cpufreq_governor.c +++ b/drivers/cpufreq/cpufreq_governor.c @@ -193,12 +193,8 @@ unsigned int dbs_update(struct cpufreq_policy *policy) wall_time = cur_wall_time - j_cdbs->prev_cpu_wall; j_cdbs->prev_cpu_wall = cur_wall_time; - if (cur_idle_time <= j_cdbs->prev_cpu_idle) { - idle_time = 0; - } else { - idle_time = cur_idle_time - j_cdbs->prev_cpu_idle; - j_cdbs->prev_cpu_idle = cur_idle_time; - } + idle_time = cur_idle_time - j_cdbs->prev_cpu_idle; + j_cdbs->prev_cpu_idle = cur_idle_time; if (ignore_nice) { u64 cur_nice = kcpustat_cpu(j).cpustat[CPUTIME_NICE]; diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 30fe323c4551..f502d5b90c25 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -813,6 +813,11 @@ static int core_get_max_pstate(void) if (err) goto skip_tar; + /* For level 1 and 2, bits[23:16] contain the ratio */ + if (tdp_ctrl) + tdp_ratio >>= 16; + + tdp_ratio &= 0xff; /* ratios are only 8 bits long */ if (tdp_ratio - 1 == tar) { max_pstate = tar; pr_debug("max_pstate=TAC %x\n", max_pstate); |